boom line

基本解释

End line: A boom or spike that hits an opponent in the face (slang).
面摩：突然的重扣，球打在对方的脸上（俚语）。
Several hundred yards of boom line has been set up on the north side of the island to try and contain the oncoming oil spill.
在岛的北面数百码的警戒线已经拉起来为应对即将到来的海面浮油做好充分准备。
For years, many people have pursued government jobs here to take advantage of China's boom and line their pockets , not serve the country.
多年来，许多人在政府中谋求职位，以利用中国的繁荣谋取私利，而不是为国家服务。

The only other time we've seen a boom like this was right after World War II and that's shown by this line here; that wasn't as big.
我们可以看到,类似的繁荣,只在第二次世界大战之后出现过,就像这条线所显示的,这个增量不大
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Though he didn't gussy up his music, he knew how to keep people engrossed all the same: A master of stride and boogie and bebop, he'd string his listeners along just by dancing around the theme, and then at just the right moment, he'd lower the boom, delivering a line so dazzlingly improbable that the common response was a gasp.
NPR: A Jazz Genius Goofs Off
The feature is nice to have, especially if you somehow manage to bust the boom mic somewhere along the line.
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Many say they accept the party's line that the economic boom which followed has vindicated the armed forces' bloody intervention.
ECONOMIST: Twenty years after Tiananmen